| 摘要 |
PROBLEM TO BE SOLVED: To make an antenna device for portable radio equipment light in weight and inexpensive. SOLUTION: This antenna device 10 for portable radio equipment has a whip antenna 12 and a helical antenna 14 mechanically connected to its upper end part. An insulation core rod 32 having a shank part 34 and a bobbin part 36 is connected to the upper end part of the antenna 12. The part 34 is insect- fitted to an upper side terminal 42 consisting of a conductive sleeve having a steam part 44 and a connector part 46. The part 46 is made to abut on the step apart 38 of the rod 32 and has an upper end face for positioning the terminal 42. The antenna 14 is wound around the part 36 and also electrically connected to the part 46 at its lower part. An insulation cap 62 is screwed-fitted to the terminal 42 so as to cover the antenna 14.
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